Finding the Fourth Proportional to 11,876.83, 16,389.89 and 6,499.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,876.83 : 16,389.89 = 6,499.22 : x
2. Step 2: Convert to fraction form
   11,876.83/16,389.89 = 6,499.22/x
3. Step 3: Cross multiply
   11,876.83x = 16,389.89 × 6,499.22
4. Step 4: Simplify right side
   11,876.83x = 106,521,500.89
5. Step 5: Solve for x
   x = 106,521,500.89/11,876.83
6. Step 6: Final answer
   x = 8,968.85